import { Toast } from 'vant'
import Vue from 'vue'
import VueRouter from 'vue-router'

Vue.use(VueRouter)

const routes = [

  {
    path: '/index',
    name: 'index',
    meta: { title: '首页' },
    component: () => import('../views/Index.vue'),
    children: [
      {
        path: '/index/home',
        name: 'home',
        meta: { title: '首页' },
        component: () => import('../views/index/Home.vue'),
      },
      {
        path: '/index/tuan',
        name: 'tuan',
        meta: { title: '爆爆团' },
        component: () => import('../views/index/Tuan.vue'),
      },
      {
        path: '/index/order',
        name: 'order',
        meta: { title: '订单' },
        component: () => import('../views/index/Order.vue'),
      },
      {
        path: '/index/mine',
        name: 'mine',
        meta: { title: '我的' },
        component: () => import('../views/index/Mine.vue'),
      },
      // 重定向
      {
        path: '/index',
        redirect: "/index/home"
      },
      // 404
      {
        path: '*',
        component: () => import('../views/NotFound.vue'),
      },
    ]
  },
  {
    path: '/detail/:id',
    name: 'detail',
    meta: { title: '详情' },
    component: () => import('../views/Details.vue'),
  },
  {
    path: '/collection',
    name: 'collection',
    meta: { title: '收藏' },
    component: () => import('../views/Collection.vue'),
  },
  {
    path: '/login',
    name: 'login',
    meta: { title: '登录' },
    component: () => import('../views/Login.vue'),
  },
  {
    path: '/regist',
    name: 'regist',
    meta: { title: '注册' },
    component: () => import('../views/Regist.vue'),
  },
  // 重定向
  {
    path: '/',
    redirect: '/index'
  },
  // 404
  {
    path: '*',
    meta: { title: '404' },
    component: () => import('../views/NotFound.vue'),
  }
]


const router = new VueRouter({
  mode: 'history',
  base: process.env.BASE_URL,
  routes
})


router.beforeEach((to, feom, next) => {

  // 动态更新网页标题
  document.title = to.meta && to.meta.title

  //获取localStorage中的登陆凭证
  const token = localStorage.getItem('token');

  if (to.path == "/index/order" || to.path == "/index/mine") {
    if (token) {
      next()
    } else {
      Toast('该页面登录后才能访问')
      next('/login')
    }
  } else {
    next()
  }
})

export default router
